Software Alternatives, Accelerators & Startups

JSONLint VS DevToo.dev

Compare JSONLint VS DevToo.dev and see what are their differences

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JSONLint logo JSONLint

JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.

DevToo.dev logo DevToo.dev

Free online developer tools for JSON formatting, JWT decoding, timestamp conversion, regex testing and more. Fast, privacy-friendly and browser-based.
  • JSONLint Landing page
    Landing page //
    2023-06-18
  • DevToo.dev
    Image date //
    2026-06-18

DevToo is a free collection of 67 browser-based developer tools for everyday engineering tasks โ€” no ads, no sign-up, and no uploads. It brings together utilities across data, encoding and security, code, networking, and DevOps, including a JSON formatter and validator, JWT decoder, regex tester, Base64 encoder/decoder, hash generator, and timestamp converter, all in one fast, privacy-friendly workspace. Every tool runs locally in your browser, so your data never leaves your machine and no account is required. DevToo is built for developers who want a single reliable place for quick formatting, conversion, encoding, and debugging instead of juggling scattered, ad-heavy single-purpose sites.

JSONLint features and specs

  • User-Friendly Interface
    JSONLint offers a simple and intuitive web interface that makes it easy to validate JSON data without the need for advanced technical skills.
  • Error Highlighting
    The tool highlights exactly where the errors are in the JSON data, making it easier to identify and correct mistakes quickly.
  • Free to Use
    JSONLint is freely accessible to anyone with an internet connection, making it a cost-effective solution for validating JSON data.
  • JSON Formatter
    In addition to validating JSON, JSONLint also offers functionality to format and beautify JSON data, improving readability.
  • Quick Processing
    The tool processes JSON data quickly, providing almost instant feedback which is useful during development and debugging.

Possible disadvantages of JSONLint

  • Internet Connection Required
    JSONLint is a web-based tool, so it requires an active internet connection to function, which can be a limitation in offline environments.
  • Basic Features
    While JSONLint is excellent for simple validation and formatting, it lacks more advanced features like schema validation or integration with development environments.
  • No API
    JSONLint does not offer an API for programmatic access, limiting its use in automated workflows and larger development pipelines.
  • Ads on the Website
    The website includes advertisements, which can be distracting for users and might affect the user experience.
  • Limited Customization
    The tool does not offer much in terms of customization options for how errors are displayed or how JSON is formatted, which might not meet all user needs.

DevToo.dev features and specs

  • Developer-focused content aggregation
    DevToo.dev serves as a centralized platform for aggregating developer-related content, news, and resources, making it easier for developers to stay updated on industry trends without visiting multiple sources.
  • Clean and simple interface
    The platform features a minimalist and distraction-free design that allows developers to quickly browse and find relevant content without being overwhelmed by ads or unnecessary UI elements.
  • Community-driven
    DevToo.dev leverages community participation, allowing developers to share, discover, and engage with content that is relevant and vetted by fellow developers, increasing the quality of curated material.
  • Free to use
    The platform is freely accessible to all developers, removing any financial barriers to accessing developer news, articles, and resources.
  • Diverse topic coverage
    DevToo.dev covers a wide range of development topics including programming languages, frameworks, tools, and industry news, making it useful for developers across different specializations and skill levels.

Possible disadvantages of DevToo.dev

  • Limited brand recognition
    Compared to established platforms like Hacker News, Dev.to, or Reddit, DevToo.dev has relatively low brand recognition, which can result in a smaller community and less content diversity.
  • Smaller community size
    With a smaller user base, there may be fewer discussions, comments, and interactions on shared content, which can reduce the value of community engagement compared to larger platforms.
  • Limited original content
    As primarily an aggregation platform, DevToo.dev may lack substantial original content or in-depth articles, relying heavily on external sources for its material.
  • Potential content freshness issues
    With a smaller contributor base, some topics or categories may not be updated as frequently as on larger platforms, potentially leading to stale or outdated content in certain areas.
  • Fewer features and integrations
    The platform may lack advanced features such as personalized recommendations, robust notification systems, bookmarking tools, or integrations with developer tools that more mature platforms offer.

Analysis of JSONLint

Overall verdict

  • Yes, JSONLint is a good tool for validating and formatting JSON. It is reliable, easy to use, and widely recommended by developers for ensuring the correctness and readability of JSON data.

Why this product is good

  • JSONLint is considered good because it provides a simple and effective way to validate and format JSON data, helping developers quickly identify and correct errors in their JSON structures. Its user-friendly interface and straightforward functionality make it accessible to both beginners and experienced developers.

Recommended for

  • Developers working with JSON
  • Web developers
  • API developers
  • Anyone needing to validate JSON data

Analysis of DevToo.dev

Overall verdict

  • I don't have verified, reliable information about DevToo.dev (devtoo.dev) in my knowledge base, so I can't confirm its legitimacy, quality, or safety. Before using it, research independently through reviews, domain age checks, and user feedback.

Why this product is good

  • No confirmed data available about this specific platform's features, reputation, or track record
  • Unable to verify security practices, business legitimacy, or user satisfaction levels
  • Lack of information could indicate a very new, niche, or obscure service not yet widely reviewed

Recommended for

  • Users who conduct their own thorough due diligence before proceeding
  • Those comfortable verifying platform legitimacy through independent sources like WHOIS lookups, Trustpilot, or Reddit discussions
  • Not recommended for use without independent verification of safety and credibility

Category Popularity

0-100% (relative to JSONLint and DevToo.dev)
Developer Tools
95 95%
5% 5
Development
100 100%
0% 0
Utilities
0 0%
100% 100
Image Optimisation
100 100%
0% 0

User comments

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Social recommendations and mentions

Based on our record, JSONLint seems to be more popular. It has been mentiond 138 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

JSONLint mentions (138)

  • I Finally Built a Mac App (After Years of Someday)
    I've been maintaining jsonlint.com for years. It's a simple JSON validator that I enjoy hacking on every now and then. Nothing fancy, just a useful tool that developers seem to appreciate. - Source: dev.to / 6 months ago
  • # Complete Guide to RAG Evaluations in Amazon Bedrock
    Note: It is crucial that your batchinput.jsonl file is correctly formatted. You can use online JSON formatters and validators like jsonformatter.org or jsonlint.com to verify its integrity before proceeding. - Source: dev.to / 10 months ago
  • From Readable to Lightweight: Understanding JSON Minification
    Online Tools: Websites like JSONLint or jsonformatter.org let you paste JSON and get a minified version instantly. - Source: dev.to / 10 months ago
  • How to Store Multi-Line Strings in JSON
    Or paste your JSON into JSONLint. Both tools immediately identify stray control characters. - Source: dev.to / about 1 year ago
  • Chapter 1: setup, CSS, version control and SASS
    Our old pal VS Code will probably throw up some wiggly red lines if we do it wrong, so look out for them. If you're struggling to see why it doesn't work, try an online JSON Validator and see if it pushes you in the right direction. - Source: dev.to / over 1 year ago
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DevToo.dev mentions (0)

We have not tracked any mentions of DevToo.dev yet. Tracking of DevToo.dev recommendations started around Jun 2026.

What are some alternatives?

When comparing JSONLint and DevToo.dev, you can also consider the following products

JSONFormatter.org - Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON

CodeUtil.dev - Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.

JSON Formatter & Validator - The JSON Formatter was created to help with debugging.

Text-Utils JSON Formatter - The JSON Formatter can be used to convert JSON to one line or format it using a specified level of indentation.

JSON Editor Online - View, edit and format JSON online

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